Home / 3,181.52-4,767.96-1,643.60

Finding the Fourth Proportional to 3,181.52, 4,767.96 and 1,643.60

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Solution

The fourth proportional to 3,181.52, 4,767.96 and 1,643.60 is: 2,463.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181.52 : 4,767.96 = 1,643.60 : x
  2. Step 2: Convert to fraction form
    3,181.52/4,767.96 = 1,643.60/x
  3. Step 3: Cross multiply
    3,181.52x = 4,767.96 × 1,643.60
  4. Step 4: Simplify right side
    3,181.52x = 7,836,619.06
  5. Step 5: Solve for x
    x = 7,836,619.06/3,181.52
  6. Step 6: Final answer
    x = 2,463.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.